507928313 has 4 divisors (see below), whose sum is σ = 508203108. Its totient is φ = 507653520.

The previous prime is 507928307. The next prime is 507928319. The reversal of 507928313 is 313829705.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (507928307) and next prime (507928319).

It can be written as a sum of positive squares in 2 ways, for example, as 50310649 + 457617664 = 7093^2 + 21392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507928313 is a prime.

It is a super-2 number, since 2×507928313² = 515982342294051938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (507928319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134606 + ... + 138327.

It is an arithmetic number, because the mean of its divisors is an integer number (127050777).

Almost surely, 2^507928313 is an apocalyptic number.

It is an amenable number.

507928313 is a deficient number, since it is larger than the sum of its proper divisors (274795).

507928313 is a wasteful number, since it uses less digits than its factorization.

507928313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274794.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 507928313 is about 22537.2649849089. The cubic root of 507928313 is about 797.8736831655.

The spelling of 507928313 in words is "five hundred seven million, nine hundred twenty-eight thousand, three hundred thirteen".